using two or more serially arranged screws in the same barrel

using two or more serially arranged screws in the same barrel · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB29C48/38
Official titleusing two or more serially arranged screws in the same barrel
Display labelusing two or more serially arranged screws in the same barrel
Total patents89

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20158
20164
20178
20186
201911
202017
20214
202214
20236
20246
20255

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC B29C48/38?
CPC B29C48/38 is the Cooperative Patent Classification code for “using two or more serially arranged screws in the same barrel.”
How many patents are filed under CPC B29C48/38 (using two or more serially arranged screws in the same barrel)?
Our database includes 89 publications tagged with this CPC code.
Is patent activity under CPC B29C48/38 growing?
Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).